Iflawandorderaswellasrulesandregulations

问题详情：

If law and order as well as rules and regulations ______, neither the citizen nor his property is safe.

A. are not observed                                       B. is not observed

C. were not observed                                D. was not observed

【回答】

B

知识点：一般现在时及其被动式

题型：选择题